A stray spark from a welding torch was all it took to ignite a patch of parched grass near McCoy's Building Supply Tuesday. The fire started around 2:45 p.m. while a group was working on an electric billboard near I-35. Welders noticed the fire and tried to extinguish it by smothering it with their jackets, but wind caused it to spread quickly. The Ardmore Fire Department responded to their call, quickly extinguishing the flames, which scorched just under an acre of grass. Firefighter Chad Mansfield said the department had responded to several similar small fires throughout the day...